Simplify.  Assume that all factors in radicands represent real numbers that are greater than or equal to 0.

A.
B.
C.
D. none of these


Answer: C

Mathematics

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A. z = 2 B. z = 1 C. z = -1 D. z = 0

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Solve the problem.An object is traveling around a circle with a radius of 10 centimeters. If in 20 seconds a central angle of  radian is swept out, what is the linear speed of the object?

A.  cm/sec
B. 6 cm/sec
C. 6 radians/sec
D.  radians/sec

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Let Z be the standard normal variable. Find the value of z if z satisfies . Round your answer to the nearest hundredth. ?

A.
B.
C.
D.
E.

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Find the equation of the transverse axis of the hyperbola.x2 - y2 = 200

A. y = 200x B. y = -x C. x = 0 (y-axis) D. y = 0 (x-axis)

Mathematics